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Lloyd: Fox's energy made BTTF magic
3 Nov
Summary
- Michael J. Fox replaced another actor after filming began.
- Christopher Lloyd feared redoing six weeks of work.
- Fox's energy and spontaneity made the film successful.

Christopher Lloyd shared insights into Michael J. Fox's crucial contribution to the iconic film 'Back to the Future.'
Lloyd, who portrayed Dr. Emmett 'Doc' Brown, recounted the surprising announcement that Fox would step in as Marty McFly after six weeks of filming had already occurred with another actor. Lloyd initially worried about replicating the completed work.
However, upon seeing Fox perform, Lloyd's concerns vanished. He described Fox's arrival as injecting vital energy and spontaneity, remarking, "It was like Doc and Marty were born." This chemistry proved enduring, carrying through sequels and their continued reunion at fan events.
Lloyd recently celebrated his 88th birthday, with Fox humorously referencing their film's time-travel mechanics. Lloyd's new memoir, 'In My Own Time,' also incorporates callbacks to his famous character.